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    swagger-cli

    4.0.4 • Public • Published

    Swagger/OpenAPI CLI

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    Features

    • Validate Swagger/OpenAPI files in JSON or YAML format
    • Supports multi-file API definitions via $ref pointers
    • Bundle multiple Swagger/OpenAPI files into one combined file

    Related Projects

    Installation

    Install using npm:

    npm install -g @apidevtools/swagger-cli

    Usage

    swagger-cli <command> [options] <file>
    
    Commands:
        validate                Validates an API definition in Swagger 2.0 or OpenAPI 3.0 format
    
        bundle                  Bundles a multi-file API definition into a single file
    
    Options:
        -h, --help              Show help for any command
        -v, --version           Output the CLI version number
        -d, --debug [filter]    Show debug output, optionally filtered (e.g. "*", "swagger:*", etc.)
    

    Validate an API

    The swagger-cli validate command will validate your Swagger/OpenAPI definition against the Swagger 2.0 schema or OpenAPI 3.0 Schema. It also performs additional validations against the specification, which will catch some things that aren't covered by the schema, such as duplicate parameters, invalid MIME types, etc.

    The command will exit with a non-zero code if the API is invalid.

    swagger-cli validate [options] <file>
    
    Options:
        --no-schema             Do NOT validate against the Swagger/OpenAPI JSON schema
    
        --no-spec               Do NOT validate against the Swagger/OpenAPI specification
    

    Git pre-commit hook

    There is a useful Python tool called pre-commit that can be used to execute a wide suite of pre-commit checks. The swagger-cli validate command can be integrated as part of a git pre-commit hook by adding the following configuration to the repos entry of an existing .pre-commit-config.yaml file.

    -   repo: https://github.com/APIDevTools/swagger-cli
        rev: v2.2.1
        hooks:
        - id: swagger-validation
          args: ["validate", "<path to root swagger>"]
    

    The intention is to point to single root swagger that references multiple swagger definitions. The above hook will execute the swagger-cli validation against the root swagger anytime that a file matching the pattern .*swagger.*\.(json|yaml|yml) is modified. Any failures in this validation will prevent the git commit from being processed.

    Combine Multiple Files

    The Swagger and OpenAPI specs allows you to split your API definition across multiple files using $ref pointers to reference each file. You can use the swagger-cli bundle command to combine all of those referenced files into a single file, which is useful for distribution or interoperation with other tools.

    By default, the swagger-cli bundle command tries to keep the output file size as small as possible, by only embedding each referenced file once. If the same file is referenced multiple times, then any subsequent references are simply modified to point to the single inlined copy of the file. If you want to produce a bundled file without any $ref pointers, then add the --dereference option. This will result in a larger file size, since multiple references to the same file will result in that file being embedded multiple times.

    If you don't specify the --outfile option, then the bundled API will be written to stdout, which means you can pipe it to other commands.

    The result of this method by default is written as JSON. It can be changed to YAML with the --type option, by passing the yaml value.

    swagger-cli bundle [options] <file>
    
    Options:
        -o, --outfile <file>        The output file
    
        -r, --dereference           Fully dereference all $ref pointers
    
        -f, --format <spaces>       Formats the output using the given number of spaces
                                    (the default is 2 spaces)
    
        -t, --type <filetype>       Defines the output file type. The valid values are: json, yaml
                                    (the default is JSON)
    
        -w, --wrap <column>         Set the line length for YAML strings
                                    (the default is no wrapping)
    

    Contributing

    I welcome any contributions, enhancements, and bug-fixes. Open an issue on GitHub and submit a pull request.

    Building/Testing

    To build/test the project locally on your computer:

    1. Clone this repo
      git clone https://github.com/APIDevTools/swagger-cli.git

    2. Install dependencies
      npm install

    3. Run the tests
      npm test

    License

    Swagger CLI is 100% free and open-source, under the MIT license. Use it however you want.

    This package is Treeware. If you use it in production, then we ask that you buy the world a tree to thank us for our work. By contributing to the Treeware forest you’ll be creating employment for local families and restoring wildlife habitats.

    Big Thanks To

    Thanks to these awesome companies for their support of Open Source developers ❤

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    Install

    npm i swagger-cli

    DownloadsWeekly Downloads

    63,286

    Version

    4.0.4

    License

    MIT

    Unpacked Size

    10.9 kB

    Total Files

    6

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